Realm.io - Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.
Datahike - A durable datalog database adaptable for distribution.
ObjectBox - ObjectBox empower edge computing with an edge device database and synchronization solution for Mobile & IoT. Store and sync data from edge to cloud.
Matisse - Matisse is a post-relational SQL database.
CompactView - Viewer for Microsoft® SQL Server® CE database files (sdf)
Valentina Server - Valentina Server is 3 in 1: Valentina DB Server / SQLite Server / Report Server